Uticaj razlicitih doza karbamida na sadrzaj azota, fosfora, kalijuma, kalcijuma i magnezijuma u listu jabuke.
1985
Bojic M. | Jankovic R. | Veljovic P.
Increased fertilization with urea on the parapodzolic soil significantly increased the nitrogen content and significantly reduced the concentration of phosphorus in apple leaves of the Golden delicious variety. On the other hand, the increased fertilization with urea did not have a significant effect upon the uptake of K, Ca and Mg in leaves. However, the content of N, P, K, Ca, and Mg was significantly influenced by the years of the investigation.
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